This is the link is only keyboard Plate which support nearly all 61 64 layout as well as Minila layout.
For all layout supported,please see the image for details.
This plate need to use with PCB stabilizers.The stabilizers is not included.You can find many screw in stabilizers on website which is compatible
PC material for this plate whose tactile feeling is very soft and silent
Brass plate is stable and sound is solid as well